Skip to content
human-resources.org

The top 5 HR companies in London

London has the deepest HR market in the UK, and the widest price range. The five providers below are the ones worth shortlisting first.

Region
Greater London
Nation
England
Population
8,899,000
Providers reviewed
12

The shortlist

  1. Avensure logo

    Avensure

    Featured partnerUK-wide

    Outsourced HR, employment law and health & safety provider for UK employers.

    Head office
    Manchester
    Founded
    Est. 2011
    Team size
    51-200 staff
    • HR Outsourcing
    • HR Consultancy
    • Employment Law Support
    • Health & Safety
  2. Cezanne HR logo

    Cezanne HR

    UK-wideLondon HQ

    Cloud HRIS and payroll software for UK and global organisations.

    Head office
    London
    Founded
    Est. 2013
    Team size
    51-200 staff
    • Payroll
    • HR Software
    • Recruitment
  3. CharlieHR logo

    CharlieHR

    UK-wideLondon HQ

    HR software designed for small businesses and startups.

    Head office
    London
    Founded
    Est. 2015
    Team size
    11-50 staff
    • HR Software
  4. Clover HR logo

    Clover HR

    UK-wideLondon HQ

    Outsourced HR consultancy serving multiple UK regions.

    Head office
    London
    Team size
    11-50 staff
    • HR Outsourcing
    • HR Consultancy
    • HR Software
    • Recruitment

The London HR market

London employers face the most active tribunal landscape in the country and the highest salary pressure, which pushes demand toward providers with in-house employment lawyers rather than generalist advisers. Expect to pay a premium over regional rates for the same scope of work - but also expect sector specialists in finance, tech, creative, and hospitality that simply do not exist elsewhere.

Who employs people in London

Local demand for HR support follows the local employer base. In London that is weighted towards financial and professional services, technology, creative and media, hospitality, with employers such as HSBC, Deloitte, Transport for London setting the terms other local employers are benchmarked against. London weighting and the highest median pay in the UK push both salaries and adviser day rates above every other city on this site. The practical consequence for anyone buying HR here: the deepest concentration of solicitor-led HR practices in the country, so you can buy legal advice and day-to-day HR from the same firm.

Fees, tribunals and travel in London

Expect £250-£600 a month for a retained fixed-fee arrangement covering an employer of 10-50 staff, and £800-£1,500 a day for project consultancy. Claims brought by London staff are normally heard at London Central, London South or East London, so representation at that venue is worth pricing separately when you compare quotes. On attendance: most advisers reach a London site within the hour, but zone-1 parking and congestion charges are often billed on top.

Local firms versus national providers

Of the 12 providers we reviewed for London, 4 are headquartered in the city (Cezanne HR, CharlieHR, Clover HR, People Puzzles), 1 cover it from a regional base and 11 are national firms. Local firms tend to be cheaper on site visits and more flexible on contract length; national providers tend to win on insurance-backed tribunal cover and out-of-hours advice lines.

Narrow it down by service

Also serving London

  • CronerHR Outsourcing · HR Consultancy · Employment Law Support

    Outsourced HR, employment law and health & safety advice for UK employers.

  • CiphrPayroll · HR Software · Recruitment

    HR, payroll, recruitment and learning software platform for UK organisations.

  • Peninsula Business ServicesHR Outsourcing · HR Consultancy · Employment Law Support

    UK provider of outsourced HR, employment law and health & safety services for employers.

  • CitationHR Outsourcing · HR Consultancy · Employment Law Support

    HR, employment law and health & safety compliance services for growing UK businesses.

  • BreatheHR Software

    Cloud-based HR software for small and medium-sized UK businesses.

  • BrightHRPayroll · HR Software · Health & Safety

    HR management software for UK small and medium-sized businesses.

  • Culture MindsHR Consultancy

    HR and workplace culture consultancy based in Farsley, Leeds.

Common questions

How much does outsourced HR cost in London?
For an employer of 10-50 staff in London, retained outsourced HR usually lands at £250-£600 a month on a fixed-fee contract, and project consultancy at £800-£1,500 a day. Local pay context matters: London weighting and the highest median pay in the UK push both salaries and adviser day rates above every other city on this site. The single biggest price variable is whether tribunal representation and insurance are inside the fee or charged separately.
Where would an employment tribunal claim from London be heard?
Claims brought by London employees are normally heard at London Central, London South or East London. That matters when you compare quotes: ask whether representation at that venue is included, who attends, and whether preparation time is capped.
Do I need an HR company based in London?
Not always, but you have the option: 4 of the 12 providers we reviewed for London are headquartered here (Cezanne HR, CharlieHR, Clover HR), and 11 are national firms covering the city. Local matters most for on-site disciplinaries, redundancy consultation and investigations - most advisers reach a London site within the hour, but zone-1 parking and congestion charges are often billed on top.
What HR issues come up most for London employers?
London's employer base is weighted towards financial and professional services, technology, creative and media, hospitality, with employers such as HSBC, Deloitte, Transport for London anchoring the local market. In practice that means the deepest concentration of solicitor-led HR practices in the country, so you can buy legal advice and day-to-day HR from the same firm. When you shortlist, ask for examples in financial and professional services and technology specifically rather than generic case studies.
What should I check before signing an HR contract?
Ask for the minimum term and notice period, whether you get a named adviser or a general advice line, whether tribunal representation and insurance are included, whether documents are drafted for you or handed over as templates, and what happens to your contracts and handbook if you leave. Fixed-fee national providers commonly use three- to five-year terms; negotiate that before signing.
How did you rank these London providers?
We reviewed 12 providers with a genuine presence in or serving London and ranked on verifiable evidence: trading history, whether coverage of London is real rather than a landing page, breadth of service lines, professional accreditation, and whether published claims can be corroborated from a primary source. Placement in the ranked shortlist cannot be bought.

All cities